Home / 43,207.50-64,836.45-18,246.06

Finding the Fourth Proportional to 43,207.50, 64,836.45 and 18,246.06

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Solution

The fourth proportional to 43,207.50, 64,836.45 and 18,246.06 is: 27,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.50 : 64,836.45 = 18,246.06 : x
  2. Step 2: Convert to fraction form
    43,207.50/64,836.45 = 18,246.06/x
  3. Step 3: Cross multiply
    43,207.50x = 64,836.45 × 18,246.06
  4. Step 4: Simplify right side
    43,207.50x = 1,183,009,756.89
  5. Step 5: Solve for x
    x = 1,183,009,756.89/43,207.50
  6. Step 6: Final answer
    x = 27,379.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.